sabeti, vajiheh, faiazi, Sepide, shirinkhah, hadise. “Improving Security of LSBM Steganography Using of Genetic Algorithm, Mmulti-Key and Blocking.” Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran, vol. 18, no. 1, 2020, pp. 49-58.